Protege ES L4-2.0L DOHC (2001)
Keyless Entry Module: Technical Service Bulletins
Accessories - Keyless Entry Service Information
Bulletin No: 09-018/01
Last Issued: 12/21/2001
SERVICE INFORMATION FOR KEYLESS ENTRY SYSTEM
It is not necessary to replace BOTH the keyless entry unit and the transmitter when repairing the keyless entry systems.
If there are any concerns with the keyless entry system, then first determine which of the parts is inoperative, and replace only the failed part.
For troubleshooting the keyless entry system, refer to the appropriate Workshop Manual (section 09) for Symptom Troubleshooting the Keyless Entry